- Photographic message services (1)
- Cable, telegram, and telex services (2)
- Cablegram service (1)
- Mailgram services (1)
- Telegram services (4)
- Telegraph cable services, land or submarine (1)
- Telegraph services (4)
- Teletypewriter services (12)
- Telex services (1)
- Electronic mail (5)
- Facsimile transmission services (51)
- Nonvocal message communications (1)
